The date on which the cited work was examined. This is a human-readable date; there has been no attempt to standardize the date format.
Some online resources are changing so quickly that a citation (<citation> or <nlm-citation>) to the resource is not complete without the date on which the cited resource was examined, since a day before or a day later, the relevant material might be different.
<!ELEMENT access-date (#PCDATA %access-date-elements;)* >
Text, numbers, or special characters, zero or more
<citation> Citation; <nlm-citation> NLM Citation Model; <related-article> Related Article Information; <related-object> Related Object Information
In a bibliographic reference (punctuation and spacing removed):
...
<ref>
<citation citation-type="web">
<source>Hypertension, Dialysis & Clinical
Nephrology</source>
<comment>[Internet]</comment>
<publisher-loc>Hinsdale (IL)</publisher-loc>
<publisher-name>Medtext, Inc.</publisher-name>
<year>c1995-2001</year>
<comment>Available from: <ext-link ext-link-type="url"
xlink:href="www.medtext.com/hdcn.htm">
http://www.medtext.com/hdcn.htm</ext-link></comment>
<access-date>cited 2001 Mar 8</access-date>
</citation>
</ref>
...
In a bibliographic reference (punctuation and spacing preserved):
...
<ref>
<citation citation-type="web">
<source>Hypertension, Dialysis & Clinical
Nephrology</source>
<comment>[Internet]</comment>.
<publisher-loc>Hinsdale (IL)</publisher-loc>:
<publisher-name>Medtext, Inc.</publisher-name>;
<year>c1995–2001</year>.
<comment>Available from: <ext-link ext-link-type="url"
xlink:href="www.medtext.com/hdcn.htm">
http://www.medtext.com/hdcn.htm</ext-link></comment>
[cited <access-date>2001 Mar 8</access-date>].
</citation>
</ref>
...
references.ent